[ 11.411121][ T205] ip (205) used greatest stack depth: 24632 bytes left [ 11.411138][ T205] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.411140][ T205] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 205, name: ip [ 11.411142][ T205] preempt_count: 2, expected: 0 [ 11.411143][ T205] RCU nest depth: 0, expected: 0 [ 11.411144][ T205] locks held by ip/205: 5, last CPU#3: [ 11.411146][ T205] #0: ffffffffab4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.411157][ T205] #1: ffffffffab599dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.411162][ T205] #2: ffffffffab599e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.411166][ T205] #3: ffffffffab489760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.411170][ T205] #4: ffffffffab489660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.411173][ T205] irq event stamp: 22804 [ 11.411174][ T205] hardirqs last enabled at (22803): [] __down_trylock_console_sem+0x86/0xa0 [ 11.411176][ T205] hardirqs last disabled at (22804): [] console_emit_next_record+0x3f8/0x4f0 [ 11.411178][ T205] softirqs last enabled at (19892): [] handle_softirqs+0x67c/0x900 [ 11.411180][ T205] softirqs last disabled at (19885): [] __irq_exit_rcu+0x145/0x1c0 [ 11.411183][ T205] Preemption disabled at: [ 11.411183][ T205] [<0000000000000000>] 0x0 [ 11.411190][ T205] CPU: 3 UID: 0 PID: 205 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.411193][ T205] Tainted: [W]=WARN [ 11.411194][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.411196][ T205] Call Trace: [ 11.411197][ T205] [ 11.411199][ T205] dump_stack_lvl+0x6f/0xa0 [ 11.411205][ T205] __might_resched.cold+0x1fe/0x2c1 [ 11.411210][ T205] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.411214][ T205] ? __kmalloc_noprof+0xdb/0x760 [ 11.411218][ T205] __kmalloc_noprof+0x443/0x760 [ 11.411221][ T205] ? alloc_buf.isra.0+0x4b/0x260 [ 11.411227][ T205] ? do_raw_spin_unlock+0x59/0x250 [ 11.411230][ T205] alloc_buf.isra.0+0x4b/0x260 [ 11.411234][ T205] put_chars+0x1e1/0x2f0 [ 11.411237][ T205] ? __send_to_port+0x420/0x420 [ 11.411239][ T205] ? printk_get_next_message+0x2fe/0x7d0 [ 11.411242][ T205] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.411245][ T205] ? validate_chain+0x38b/0xc20 [ 11.411249][ T205] hvc_console_print+0x292/0x780 [ 11.411253][ T205] ? __lock_acquire+0x518/0xc20 [ 11.411255][ T205] ? __lock_acquire+0x518/0xc20 [ 11.411259][ T205] ? hvc_write+0x3a0/0x3a0 [ 11.411262][ T205] ? rcu_is_watching+0x16/0xd0 [ 11.411266][ T205] ? lock_acquire+0x13c/0x160 [ 11.411269][ T205] console_emit_next_record+0x252/0x4f0 [ 11.411273][ T205] ? devkmsg_read+0x4e0/0x4e0 [ 11.411277][ T205] ? rcu_is_watching+0x16/0xd0 [ 11.411280][ T205] ? lock_acquire+0x13c/0x160 [ 11.411284][ T205] console_flush_one_record+0x46f/0x710 [ 11.411288][ T205] ? console_emit_next_record+0x4f0/0x4f0 [ 11.411289][ T205] ? __lock_acquire+0x518/0xc20 [ 11.411294][ T205] console_unlock+0xee/0x1f0 [ 11.411297][ T205] ? console_flush_one_record+0x710/0x710 [ 11.411299][ T205] ? rcu_is_watching+0x16/0xd0 [ 11.411301][ T205] ? lock_acquire+0xa0/0x160 [ 11.411304][ T205] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.411306][ T205] ? vprintk_emit+0x320/0x3e0 [ 11.411309][ T205] vprintk_emit+0x37c/0x3e0 [ 11.411313][ T205] ? wake_up_klogd_work_func+0x90/0x90 [ 11.411316][ T205] ? __lock_acquire+0x518/0xc20 [ 11.411320][ T205] _printk+0xc7/0x100 [ 11.411323][ T205] ? snapshot_read.cold+0x21/0x21 [ 11.411326][ T205] ? do_raw_spin_lock+0x131/0x280 [ 11.411328][ T205] ? __rwlock_init+0x150/0x150 [ 11.411332][ T205] ? do_raw_spin_lock+0x131/0x280 [ 11.411335][ T205] do_exit.cold+0x82/0x9c [ 11.411339][ T205] ? exit_notify+0x890/0x890 [ 11.411340][ T205] ? __lock_release.isra.0+0x69/0x1a0 [ 11.411343][ T205] ? rcu_is_watching+0x16/0xd0 [ 11.411347][ T205] do_group_exit+0xb8/0x370 [ 11.411349][ T205] __x64_sys_exit_group+0x3c/0x50 [ 11.411351][ T205] x64_sys_call+0x1567/0x1570 [ 11.411353][ T205] do_syscall_64+0xff/0x530 [ 11.411356][ T205] ? exc_page_fault+0xee/0x100 [ 11.411360][ T205] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.411362][ T205] RIP: 0033:0x7f60cdfc11b8 [ 11.411364][ T205] Code: Unable to access opcode bytes at 0x7f60cdfc118e. [ 11.411365][ T205] RSP: 002b:00007ffe2edb6018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.411368][ T205] RAX: ffffffffffffffda RBX: 00007f60ce0f1f88 RCX: 00007f60cdfc11b8 [ 11.411369][ T205] RDX: 00007f60cdd0bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.411370][ T205] RBP: 00007ffe2edb6070 R08: 0000000000000000 R09: 0000000000000050 [ 11.411370][ T205] R10: 00007ffe2edb5e30 R11: 0000000000000246 R12: 0000000000000001 [ 11.411371][ T205] R13: 0000000000000000 R14: 00007f60ce0f0680 R15: 00007f60ce0f1fa0 [ 11.411378][ T205] [ 11.447119][ T206] ip (206) used greatest stack depth: 24496 bytes left [ 12.139924][ T82] (udev-worker) (82) used greatest stack depth: 22696 bytes left